/* PayslipMax Modern CSS - 2025 Design Trends */

/* CSS Custom Properties (Variables) */
:root {
  /* Colors - Dark Theme */
  --primary-color: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --secondary-color: #06b6d4;
  --accent-color: #f59e0b;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  
  /* Background Colors */
  --bg-primary: #0f0f23;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --bg-glass: rgba(255, 255, 255, 0.05);
  --bg-glass-hover: rgba(255, 255, 255, 0.1);
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --text-inverse: #000000;
  
  /* Border Colors */
  --border-primary: rgba(255, 255, 255, 0.1);
  --border-secondary: rgba(255, 255, 255, 0.05);
  --border-accent: rgba(99, 102, 241, 0.3);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
  --shadow-glow-hover: 0 0 30px rgba(99, 102, 241, 0.5);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Typography */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  
  /* Line Heights */
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  
  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-normal: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;
  
  /* Z-Index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-toast: 1080;
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-glass: rgba(0, 0, 0, 0.05);
  --bg-glass-hover: rgba(0, 0, 0, 0.1);
  
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;
  
  --border-primary: rgba(0, 0, 0, 0.1);
  --border-secondary: rgba(0, 0, 0, 0.05);
}

/* Reset and Base Styles */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family-primary);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

/* Selection */
::selection {
  background: var(--primary-color);
  color: var(--text-inverse);
}

/* Focus Styles */
:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-content {
  text-align: center;
}

.loading-logo {
  font-size: 4rem;
  color: var(--primary-color);
  margin-bottom: var(--space-lg);
  animation: pulse 2s infinite;
}

.loading-text {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xl);
}

.loading-progress {
  width: 200px;
  height: 4px;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.loading-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  animation: loading 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

@keyframes loading {
  0% { width: 0%; }
  50% { width: 70%; }
  100% { width: 100%; }
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(15, 15, 35, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-primary);
  z-index: var(--z-fixed);
  transition: all var(--transition-normal);
  padding: 0.75rem 0;
}

.navbar.scrolled {
  background: rgba(15, 15, 35, 0.98);
  padding: 0.5rem 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: var(--text-lg);
  position: relative;
}

.brand-icon {
  font-size: 1.5rem;
  color: var(--primary-color);
  transition: transform var(--transition-normal);
}

.brand-text {
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  background: var(--primary-color);
  border-radius: var(--radius-full);
  opacity: 0;
  filter: blur(20px);
  transition: opacity var(--transition-normal);
}

.nav-brand:hover .brand-glow {
  opacity: 0.2;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  position: relative;
  white-space: nowrap;
}

.nav-link i {
  font-size: 0.875rem;
  width: 16px;
  text-align: center;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: var(--bg-glass);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--bg-glass);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.theme-toggle:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
  transform: scale(1.05);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
  animation: float 6s ease-in-out infinite;
}

.hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, 
    rgba(99, 102, 241, 0.05) 0%, 
    rgba(139, 92, 246, 0.05) 50%, 
    rgba(6, 182, 212, 0.05) 100%);
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-lg);
}

.hero-content {
  animation: fadeInUp 1s ease-out;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--primary-color);
  margin-bottom: var(--space-xl);
  backdrop-filter: blur(10px);
}

.hero-title {
  font-size: var(--text-6xl);
  font-weight: 800;
  line-height: var(--leading-tight);
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}

.hero-description {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-2xl);
}

.hero-stats {
  display: flex;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--primary-color);
  display: block;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

.hero-actions {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeInRight 1s ease-out 0.3s both;
}

.phone-mockup {
  position: relative;
  width: 300px;
  height: 600px;
  background: linear-gradient(145deg, #2a2a3e, #1a1a2e);
  border-radius: 30px;
  padding: 20px;
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  border-radius: 20px;
  overflow: hidden;
  position: relative;
}

.app-interface {
  padding: var(--space-lg);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
}

.app-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
}

.app-notification {
  width: 32px;
  height: 32px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--text-sm);
}

.payslip-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  backdrop-filter: blur(10px);
}

.payslip-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.company-logo {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
}

.payslip-date {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.payslip-amount {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--success-color);
  margin-bottom: var(--space-md);
}

.payslip-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.detail-item {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-sm);
}

.detail-item span:first-child {
  color: var(--text-muted);
}

.detail-item span:last-child {
  color: var(--text-primary);
  font-weight: 500;
}

.insights-preview {
  background: var(--bg-glass);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  backdrop-filter: blur(10px);
}

.insight-chart {
  height: 60px;
  background: linear-gradient(90deg, 
    var(--primary-color) 0%, 
    var(--secondary-color) 50%, 
    var(--success-color) 100%);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
  position: relative;
  overflow: hidden;
}

.insight-chart::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(255, 255, 255, 0.3) 50%, 
    transparent 100%);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

.insight-text {
  font-size: var(--text-sm);
  color: var(--success-color);
  font-weight: 500;
  text-align: center;
}

.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.floating-icon {
  position: absolute;
  width: 60px;
  height: 60px;
  background: var(--bg-glass);
  border: 1px solid var(--border-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  color: var(--primary-color);
  backdrop-filter: blur(10px);
  animation: float 3s ease-in-out infinite;
  animation-delay: var(--delay);
}

.floating-icon:nth-child(1) {
  top: 20%;
  right: 10%;
}

.floating-icon:nth-child(2) {
  top: 60%;
  right: 20%;
}

.floating-icon:nth-child(3) {
  top: 80%;
  right: 5%;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.scroll-arrow {
  width: 40px;
  height: 40px;
  border: 2px solid var(--text-muted);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.scroll-arrow:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: scale(1.1);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: var(--text-base);
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-inverse);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-primary);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-accent);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: var(--text-inverse);
}

.btn-glow {
  box-shadow: var(--shadow-glow);
}

.btn-glow:hover {
  box-shadow: var(--shadow-glow-hover);
}

/* Button Particles Effect */
.btn-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}

.btn-particles::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all var(--transition-normal);
}

.btn:hover .btn-particles::before {
  width: 300px;
  height: 300px;
}

/* Form Elements */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.form-input {
  width: 100%;
  padding: var(--space-md);
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--bg-glass);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}

.form-input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-help {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-sm);
}

/* Gradient Text */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Glass Effect */
.glass {
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-primary);
}

/* Glow Effect */
.glow {
  box-shadow: var(--shadow-glow);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% { transform: translateY(0); }
  40%, 43% { transform: translateY(-30px); }
  70% { transform: translateY(-15px); }
  90% { transform: translateY(-4px); }
}

/* Section Styles */
.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--primary-color);
  margin-bottom: var(--space-lg);
  backdrop-filter: blur(10px);
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  line-height: var(--leading-tight);
}

.section-description {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 600px;
  margin: 0 auto;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }
  
  .hero-visual {
    order: -1;
  }
  
  .phone-mockup {
    width: 250px;
    height: 500px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }

  .nav-container {
    padding: 0 var(--space-md);
  }

  .nav-menu {
    position: fixed;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(15, 15, 35, 0.98);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-primary);
    flex-direction: column;
    gap: 0;
    padding: var(--space-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: var(--z-dropdown);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    width: 100%;
    justify-content: flex-start;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-xs);
  }

  .nav-link i {
    font-size: 1rem;
    width: 20px;
  }

  .nav-actions .btn {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
  }

  .nav-toggle {
    display: flex;
  }

  .upload-options {
    flex-direction: column;
  }

  .step-item {
    text-align: center;
  }

  .step-item:nth-child(even) {
    text-align: center;
  }

  .step-item:hover,
  .step-item:nth-child(even):hover {
    transform: translateY(-5px);
  }

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card.featured {
    order: -1;
  }

  .pricing-card.featured:hover {
    transform: translateY(-5px);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .container {
    padding: 0 var(--space-sm);
  }
  
  .hero-title {
    font-size: var(--text-3xl);
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .phone-mockup {
    width: 200px;
    height: 400px;
  }
}

/* Features Section */
.features-section {
  padding: var(--space-3xl) 0;
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
}

.feature-card {
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  color: white;
  margin-bottom: var(--space-lg);
  transition: all var(--transition-normal);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
}

.feature-title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.feature-description {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-lg);
}

.feature-benefits {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.benefit-item i {
  color: var(--success-color);
  font-size: var(--text-xs);
}

/* How It Works Section */
.how-it-works-section {
  padding: var(--space-3xl) 0;
  background: var(--bg-primary);
}

.steps-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xl);
  margin-top: var(--space-3xl);
}

.step-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-2xl);
  align-items: center;
  padding: var(--space-2xl);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  transition: all var(--transition-normal);
}

.step-item:hover {
  transform: translateX(10px);
  border-color: var(--border-accent);
}

.step-item:nth-child(even) {
  grid-template-columns: auto 1fr auto;
}

.step-item:nth-child(even):hover {
  transform: translateX(-10px);
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  font-weight: 700;
  color: white;
  position: relative;
}

.step-number::after {
  content: '';
  position: absolute;
  width: 80px;
  height: 80px;
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  opacity: 0.3;
  animation: pulse 2s infinite;
}

.step-content {
  flex: 1;
}

.step-title {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.step-description {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-lg);
}

.step-features {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.step-feature {
  padding: var(--space-xs) var(--space-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--primary-color);
  border: 1px solid var(--border-accent);
}

.step-visual {
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  position: relative;
}

.upload-animation,
.ai-animation,
.insights-animation {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.upload-animation i,
.ai-animation i,
.insights-animation i {
  font-size: var(--text-3xl);
  color: var(--primary-color);
}

.processing-dots {
  display: flex;
  gap: var(--space-xs);
}

.processing-dots span {
  width: 8px;
  height: 8px;
  background: var(--primary-color);
  border-radius: 50%;
  animation: processing 1.5s infinite;
}

.processing-dots span:nth-child(2) {
  animation-delay: 0.3s;
}

.processing-dots span:nth-child(3) {
  animation-delay: 0.6s;
}

@keyframes processing {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}

.chart-bars {
  display: flex;
  gap: var(--space-xs);
  align-items: end;
}

.chart-bars span {
  width: 12px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  animation: chartGrow 2s ease-out infinite;
}

@keyframes chartGrow {
  0% { height: 0; }
  100% { height: var(--height, 40px); }
}

/* Upload Section */
.upload-section {
  padding: var(--space-3xl) 0;
  background: var(--bg-secondary);
}

.upload-card {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-3xl);
  border-radius: var(--radius-2xl);
}

.upload-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.upload-title {
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.upload-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
}

.dropzone {
  border: 2px dashed var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  text-align: center;
  margin-bottom: var(--space-2xl);
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--primary-color);
  background: var(--bg-glass-hover);
}

.dropzone.dragover {
  transform: scale(1.02);
  box-shadow: var(--shadow-glow);
}

.dropzone-icon {
  font-size: 4rem;
  color: var(--primary-color);
  margin-bottom: var(--space-lg);
}

.dropzone-title {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.dropzone-text {
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

.dropzone-help {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: var(--space-lg);
}

.upload-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.security-notice {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--bg-glass);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
}

.security-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  color: white;
}

.security-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.security-text {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* Testimonials Section */
.testimonials-section {
  padding: var(--space-3xl) 0;
  background: var(--bg-primary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
}

.testimonial-card {
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  transition: all var(--transition-normal);
  position: relative;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.testimonial-rating {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.testimonial-rating i {
  color: var(--accent-color);
  font-size: var(--text-sm);
}

.testimonial-text {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--text-primary);
  margin-bottom: var(--space-xl);
  font-style: italic;
  position: relative;
}

.testimonial-text::before {
  content: '"';
  font-size: 4rem;
  color: var(--primary-color);
  position: absolute;
  top: -20px;
  left: -10px;
  opacity: 0.3;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.author-avatar {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--text-lg);
}

.author-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.author-role {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* Pricing Section */
.pricing-section {
  padding: var(--space-3xl) 0;
  background: var(--bg-secondary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
}

.pricing-card {
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  transition: all var(--transition-normal);
  position: relative;
  text-align: center;
}

.pricing-card.featured {
  transform: scale(1.05);
  border: 2px solid var(--primary-color);
  box-shadow: var(--shadow-glow);
}

.pricing-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-10px);
}

.pricing-badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: white;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
}

.pricing-header {
  margin-bottom: var(--space-2xl);
}

.pricing-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.price-currency {
  font-size: var(--text-xl);
  color: var(--text-secondary);
}

.price-amount {
  font-size: 4rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 var(--space-xs);
}

.price-period {
  font-size: var(--text-lg);
  color: var(--text-secondary);
}

.pricing-description {
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  text-align: left;
}

.pricing-features .feature-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.pricing-features .feature-item i {
  color: var(--success-color);
  font-size: var(--text-sm);
}

.pricing-button {
  width: 100%;
  padding: var(--space-lg);
  font-size: var(--text-lg);
  font-weight: 600;
}

/* Footer */
.footer {
  background: var(--bg-tertiary);
  padding: var(--space-3xl) 0 var(--space-xl);
  border-top: 1px solid var(--border-primary);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}

.footer-brand i {
  color: var(--primary-color);
  font-size: var(--text-2xl);
}

.footer-description {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-lg);
}

.footer-social {
  display: flex;
  gap: var(--space-md);
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--bg-glass);
  border: 1px solid var(--border-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-normal);
}

.social-link:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

.footer-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-links a {
  color: var(--text-secondary);
  transition: color var(--transition-normal);
}

.footer-links a:hover {
  color: var(--primary-color);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-primary);
}

.footer-copyright {
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.footer-badges {
  display: flex;
  gap: var(--space-lg);
}

.security-badge {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.security-badge i {
  color: var(--success-color);
}

/* Additional animations and effects */
.animate-in {
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-in.delay-1 {
  animation-delay: 0.2s;
}

.animate-in.delay-2 {
  animation-delay: 0.4s;
}

.animate-in.delay-3 {
  animation-delay: 0.6s;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-100 { opacity: 1; }

.pointer-events-none { pointer-events: none; }
.cursor-pointer { cursor: pointer; }

.select-none { user-select: none; }

.overflow-hidden { overflow: hidden; }
.overflow-x-hidden { overflow-x: hidden; }
.overflow-y-hidden { overflow-y: hidden; }

/* Upload Success & QR Code Styles */
.upload-success {
    text-align: center;
    padding: var(--space-2xl);
    background: var(--bg-glass);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.5s ease-out;
}

.success-icon {
    font-size: 4rem;
    color: var(--success-color);
    margin-bottom: var(--space-lg);
    animation: bounce 0.6s ease-out;
}

.upload-success h3 {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.upload-success p {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.success-details {
    display: grid;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    text-align: left;
    background: var(--bg-tertiary);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-secondary);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-secondary);
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-item .label {
    color: var(--text-secondary);
    font-weight: 500;
}

.detail-item .value {
    color: var(--text-primary);
    font-weight: 600;
    font-family: var(--font-family-mono);
    font-size: var(--text-sm);
}

.qr-section {
    margin: var(--space-xl) 0;
    padding: var(--space-xl);
    background: linear-gradient(135deg, var(--bg-glass) 0%, var(--bg-tertiary) 100%);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.qr-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-radius: var(--radius-xl);
    z-index: -1;
}

.qr-section h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.qr-section h4::before {
    content: "📱";
    font-size: var(--text-xl);
}

.qr-code {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-lg);
    position: relative;
}

.qr-code img {
    max-width: 200px;
    height: auto;
    border-radius: var(--radius-lg);
    border: 3px solid var(--primary-color);
    background: white;
    padding: var(--space-sm);
    box-shadow: 
        var(--shadow-lg),
        0 0 20px rgba(99, 102, 241, 0.3);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.qr-code img:hover {
    transform: scale(1.05);
    box-shadow: 
        var(--shadow-xl),
        0 0 30px rgba(99, 102, 241, 0.5);
}

.qr-help {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.qr-help::before {
    content: "💡";
    font-size: var(--text-base);
}

.success-actions {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.success-actions .btn {
    min-width: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.success-actions .btn i {
    font-size: var(--text-sm);
}

/* Upload Error Styles */
.upload-error {
    text-align: center;
    padding: var(--space-2xl);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(220, 38, 38, 0.1) 100%);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.5s ease-out;
}

.error-icon {
    font-size: 3rem;
    color: var(--error-color);
    margin-bottom: var(--space-lg);
    animation: shake 0.5s ease-out;
}

.upload-error h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--error-color);
}

.upload-error p {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.upload-error-inline {
    margin: var(--space-lg) 0;
    animation: slideInDown 0.3s ease-out;
}

.error-content {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-lg);
    color: var(--error-color);
}

.error-close {
    background: none;
    border: none;
    color: var(--error-color);
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
    margin-left: auto;
}

.error-close:hover {
    background-color: rgba(239, 68, 68, 0.2);
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* Mobile Responsive for Upload Success */
@media (max-width: 768px) {
    .upload-success {
        padding: var(--space-lg);
    }
    
    .success-details {
        padding: var(--space-md);
    }
    
    .qr-section {
        padding: var(--space-lg);
    }
    
    .qr-code img {
        max-width: 160px;
    }
    
    .success-actions {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .success-actions .btn {
        width: 100%;
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .upload-success {
        padding: var(--space-md);
    }
    
    .qr-section {
        padding: var(--space-md);
    }
    
    .qr-code img {
        max-width: 140px;
    }
}